Rockwell-automation 1788 NetLinx Media Checker Users Manual Manual de usuario descargar pdf (Pagina 37)

Maintenance

1788-UM002A-US-P – April 2000

Table 15. Troubleshooting the MediaChecker

Symptom 1: Display goes blank.

Action Result Explanation

Display is active

The Battery Save feature turned the MediaChecker

off.*

1. Turn the rotary switch to OFF, wait 5 seconds and turn

the switch to TEST.

Display still blank Go to step 2.

Display is active Batteries were too low to run the MediaChecker.2. Replace the batteries (see “Replacing Batteries” on

page 36).

Display still blank Go to step 3.

3. Return the MediaChecker for repair. See “Returning the

MediaChecker for Repair” on page 39.

Problem appears to be a MediaChecker

malfunction.

Symptom 2: The MediaChecker seems to be measuring incorrectly.

Self-test fails Internal circuitry is defective. Go to step 3.1. Perform a self-test on the MediaChecker. See

“Performing a Self-Test” on page 38.

Self-test passes Go to step 2.

2. Calibrate the MediaChecker as described on page 10. Calibration not effective Go to step 3.

3. Return the MediaChecker for repair. See “Returning the

MediaChecker for repair” on page 39.

Problem appears to be a MediaChecker

malfunction.

* To disable Battery Save, turn the rotary switch to OFF, then press and hold E while turning the rotary switch to TEST.

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Rockwell-automation 1788 NetLinx Media Checker Users Manual Manual de usuario Pagina 37